If you're looking for a UI design tool with a lot of prebuilt templates and icons, Visily is a good choice. It comes with more than 1,500 prebuilt templates and an Icon & Image Library with more than 55,000 icons and millions of images. The tool is designed to be approachable even for those without a lot of design experience, and it supports real-time collaboration with unlimited viewers and commenters.
Another good option is Figma, a collaborative design tool that includes a lot of resources like AI-generated simple UI, auto layout to ensure designs look consistent, and a large library of templates. Figma also has AI-powered prototyping and the ability to embed prototypes in presentations, so it's good for both pros and amateurs.
If you want to use AI to help you get your design work done, Uizard offers a range of AI tools, including a text-to-UI generator, drag-and-drop editor and real-time collaboration abilities. That means you can rapidly create and experiment with product designs even if you're not a design expert.
Last, Canva is a general-purpose design tool that includes a lot of templates and icon libraries, but is designed to be easy to use and to collaborate. It supports real-time collaboration with commenting and task assignment, so it's good for teams working on design projects. Canva also offers a range of pricing tiers, including a free version, so you can pick what's best for your needs.